available_toppings=("mushrooms","olives",'green peppers','pepperoni','pineapple','extra cheese')

requested_toppings=['mushroom','french fries','extra cheese']

for request_topping in requested_toppings:
    if request_topping in available_toppings:
        print(f"Adding {request_topping}.")
    else:
        print(f"Sorry ,we don't have {request_topping}")

print("\nFinished making your pizza!")